Grojec (Jurassic of Poland)

Where: Cracow, Poland (50.1° N, 19.6° E: paleocoordinates 40.8° N, 26.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Toarcian (182.7 - 174.1 Ma)

• Considered to be Upper Liassic by the author

Environment/lithology: terrestrial

Size class: macrofossils

Preservation: mold/impression, adpression

Collection methods: Reymanowna (1963) described 11 species (with cuticles) from this locality, but Karaszewski (1965) has a more complete list.

Primary reference: W. Karaszewski. 1965. O srodkowoliasowym wieku flory z Chmielowa pod Ostrowcem i jej znaczeniu dla stratygrafii kontynentalnej jury [On the Middle Liassic age of the flora from Chmielow, near Ostrowiec (central Poland) and its significance for stratigraphy of the continental Jurassic]. Kwartalnik Geologiczny 9(2):261-270 [A. Rees/A. Rees/S. Bruning]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24598: authorized by Allister Rees, entered by Allister Rees on 11.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Sphenopteridae
  - Sphenopteridae
Ctenidiopsis
  -
Ctenidiopsis grojecensis
  -
Ctenidiopsis grojecensis Raciborski 1894
Gonatosorus nathorstii
  -
Gonatosorus nathorstii Raciborskii 1894
Gymnospermopsida
 Corystospermales - Corystospermaceae
Equisetopsida
 Pinidae - Pinidae
"Cheirolepis muensteri" = Hirmeriella muensteri Schenk 1867
Peltaspermopsida
 Peltaspermales - Umkomasiaceae
 Coniferales -
 Bennettitales -
Taxopsida
  -
Eboracia lobifolia
  -
Eboracia lobifolia Phillips 1911
Polypodiopsida
  - Osmundaceae
 Equisetales - Equisetidae
  - Gleicheniaceae
 Polypodiales - Polypodiidae
 Gleicheniales - Polypodiidae
 Cyatheales - Polypodiidae
Coniopteris hymenophylloides Brongniart 1828 scaly tree fern
Alsophila polonica scaly tree fern
  -
  - Dicksoniaceae
Pteropsida
 Filicinae -
Pteridopsida
 Filicales -
Schizeaceae
  - Schizeaceae
Cycadopsida
 Cycadales -
"Nilssonia polymorpha" = Nilsonia, "Nilssonia cracoviensis" = Nilsonia, Taeniopteris obtusa, Taeniopteris stenoneuron, Taeniopteris vittata
"Nilssonia polymorpha" = Nilsonia cycads
"Nilssonia cracoviensis" = Nilsonia cycads
Taeniopteris vittata Brongniart 1831 cycads
Ginkgoopsida
 Caytoniales - Caytoniaceae
 Ginkgoales - Ginkgoaceae
Ginkgo sp. Linnaeus 1771 ginkgo
Pseudotorellia
  -
Dinophyceae
  -